Define acne.
Acne could be defined as an inflammatory, mostly a chronic, disease of the sebaceous glands, in the form of papules, tubercles, or pustules, or even a mixture of these lesions, and usually appeared on the face.
At what age does acne usually occur?
Between the ages of fifteen and thirty, at which time the glandular
structures are naturally more or less active.
Describe thesymptoms of acne
Irregularly scattered over the face, and in some cases also over the neck, shoulders and upper part of the trunk, are to be seen several,fifty or more, pin-head- to pea-sized papules, tubercles or pustules;commonly the eruption is of a mixed type (_acne vulgaris_), the severalkinds of lesions in all stages of evolution and subsidence presenting inthe single case. Interspersed may generally be seen blackheads, or
comedones
